So I recently worked on my W123/300d trip odometer which was slipping. I pulled the cluster and replaced the reset lever, springs. Also (horrors?) sprayed WD-40 on those gears. I tightened a slotted brass screw just on the side of the trip odometer assembly.

Trip odometer working great now. Calibrates fine with mile markers on the road.

However, having replaced the cluster, the Speedo is behaving in a most funky way.

I'll get up to highway speed and the needle will tend to "stick" at some value (say 55 Mph) and hang up there for a while before coming down. Like I'll be at 10 Mph before the needle "decides" to come down. Or it might stick at 30 for a while.... you get the idea. There is full clearance between the needle and the speedo face.

Any ideas? Maybe I did some WD40 damage? Is there something I can adjust with this instrument I may have abused?

Thanks,

Chuck

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1982 300D, anthracite grey, 260k miles, Greasecar
1999 E300D, black, 160k miles, Greasecar
2010 Honda Insight Hybrid
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